Tehuantepec Forecast

October 12, 2025, 3:01 pm (UTC: -04:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

WARNINGS
.NONE.

.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

1004 MB LOW PRESSURE, THE REMNANTS OF RAYMOND, ARE OVER THE
SOUTHERN GULF OF CALIFORNIA NEAR 25N110W. NUMEROUS SHOWERS AND
THUNDERSTORMS ARE ACTIVE ALONG THE COAST OF SOUTHERN SONORA AND
NORTHERN SINALOA. STRONG S TO SW WINDS COVER MUCH OF THE SOUTHERN
GULF OF CALIFORNIA ASSOCIATED WITH THE LOW PRESSURE. LIMITED
FETCH ACROSS THE BASIN IS MAINTAINING 4 TO 6 FT SEAS. OFF THE
PACIFIC COAST OF THE BAJA PENINSULA, MODERATE TO FRESH NE WINDS
ARE ACTIVE BETWEEN THE GENERAL LOW PRESSURE OVER THE GULF OF
CALIFORNIA AND 1035 MB HIGH PRESSURE CENTERED WELL TO THE NORTH
NEAR 45N144W. NW SWELL OF 8 TO 9 FT IS IMPACTING THE WATERS OFF
GUADALUPE ISLAND AND OFF THE NORTHERN COAST OF BAJA CALIFORNIA
NORTE. FARTHER SOUTH, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
OVER THE GULF OF AMERICA AND LOWER PRESSURE OVER THE MONSOON
TROUGH IS SUPPORTING FRESH NORTHERLY GAP WINDS AND SEAS TO 7 FT
ACROSS THE GULF OF TEHUANTEPEC. THUNDERSTORMS ARE ACTIVE JUST
SOUTH OF THE GULF OF TEHUANTEPEC, ASSOCIATED WITH A SLOW MOVING
TROPICAL WAVE FARTHER SOUTH IN THE DEEP TROPICS.
FOR THE FORECAST, THE REMNANTS OF RAYMOND WILL DISSIPATE OVER THE
SOUTHERN GULF OF CALIFORNIA AND ADJACENT BAJA CALIFORNIA TODAY.
FRESH TO LOCALLY STRONG NW WINDS AND ROUGH SEAS WILL IMPACT
OFFSHORE WATERS OF BAJA CALIFORNIA NORTE THROUGH TONIGHT AS HIGH
PRESSURE BUILDS S TOWARD THE REGION. LOW PRESSURE OVER THE SW
U.S. MAY BRING SOME LOCALLY FRESH TO STRONG SW WINDS TO THE FAR
NORTHERN GULF OF CALIFORNIA MON. STRONG NORTHERLY GAP WINDS IN
THE GULF OF TEHUANTEPEC WILL SUBSIDE TODAY THEN REDEVELOP
STARTING MON NIGHT. LOOKING AHEAD, AN AREA OF LOW PRESSURE IS
EXPECTED TO FORM OFF THE COAST OF SOUTHERN MEXICO BY THE MIDDLE
OF THE WEEK. ENVIRONMENTAL CONDITIONS ARE FORECAST TO BE
CONDUCIVE FOR SOME DEVELOPMENT THEREAFTER, AS THE SYSTEM MOVES
SLOWLY NORTHWARD OR NORTHWESTWARD NEAR OR JUST OFFSHORE OF THE
COAST OF SOUTHERN MEXICO.

SHORT-TERM TEHUANTEPEC
TODAY - NNE 5-6, Seas SW 0-5.1 feet @ 14sec
TONITE - NNE 5-6, Seas SW 0-5.1 feet @ 14sec
MONDAY - NNE 6-8, Seas SSW 0-5.2 feet @ 15sec
MONDAY NIGHT - NNE 6-8, Seas SSW 0-5.2 feet @ 15sec

LONG-TERM TEHUANTEPEC
TUESDAY - N 14-17, Seas SSW 2.4-4.7 feet @ 13sec
WEDNESDAY - N 18-23, Seas SSW 4-5.5 feet @ 13sec
THURSDAY - N 10-12, Seas SSW 0-3.9 feet @ 19sec
FRIDAY - E 26-33, Seas N/A ?-? feet @ ?
SATURDAY - SE 28-35, Seas N/A ?-? feet @ ?